IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: Carbon dioxide with Poly(p-acetoxystyrene)
Components:
   (1) Carbon dioxide; CO2; [124-38-9]  NIST Chemistry WebBook for detail
   (2) Poly(p-acetoxystyrene); ; [24979-78-0]  NIST Chemistry WebBook for detail
Original Measurements:
   A.C. Puleo, N. Muruganandam and D.R. Paul, J. Polym. Sci., Part B: Polym. Phys. 27, 2385 (1989).

 Variables:
   Temperature = 308 K
   Pressure = 0.2-2.0 MPa

 Prepared By:
   Yu. P. Yampol'skii

 Experimental Data:   (Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)
   
Table 1. Dual mode sorption parameters for carbon dioxide at 308 K
Henry's law constant, K [cm3(STP) cm-1atm-1]Langmuir's parameter, CH [cm3(STP) cm-3]Affinity Coefficient b [atm-1]Method/Comments
1.245.650.4311st cycle
0.76916.820.2212nd cycle
Table 2. Sorption isotherms of carbon dioxide at 308 K (The original data were represented graphically)
Pressure [MPa]Sorption [(V*1(STP)/V*2)]Method/Comments
0.357.151st cycle
0.6711.151st cycle
0.9514.711st cycle
1.1918.031st cycle
1.4120.921st cycle
1.5622.891st cycle
1.9427.001st cycle
0.175.382nd cycle
0.389.202nd cycle
0.6513.132nd cycle
0.9316.822nd cycle
1.2420.072nd cycle
1.5023.082nd cycle
1.9026.192nd cycle
 Method/Apparatus/Procedure:
   The apparatus and procedure in sorption measurements were the same as those described in Ref. 1.

 Source and Purity of Materials:
   Polymer: Celasese Chemical Co., glass transition temperature 399 K, Mw = 250 000, density 1.168 g/cm3.

 Estimated Errors:

   Temperature: No information given.

 References:
   1 W. J. Koros, A. H. Chan, and D. R. Paul, 3. Membr. Sci. 2, 165 (1977).